// For AddCommand
public override void Add()
{
// 显示用户控
var addOrEditUserControl = new AddOrEditCourseUserControl();
var addOrEditViewModel = (addOrEditUserControl.DataContext as AddOrEditCourseViewModel);
addOrEditViewModel.CourseViewModel = new CourseViewModel();
addOrEditViewModel.CourseViewModels = CourseViewModels;
addOrEditViewModel.CourseViewModels.Add(addOrEditViewModel.CourseViewModel);
addOrEditViewModel.Action = ViewModelAction.Add;
var oldCurrentViewModel = CurrentCourseViewModel;
CurrentCourseViewModel = addOrEditViewModel.CourseViewModel;
// 显示侧边框
BundleActivator.MainWindowService.ShowSidebar(addOrEditUserControl, 300, "添加课程");
addOrEditViewModel.PropertyChanged += (sender, e) =>
{
if (e.PropertyName.Equals(AddOrEditCourseViewModel.ResultPropertyName))
{
if (addOrEditViewModel.Result != true)
{
CurrentCourseViewModel = oldCurrentViewModel;
}
else
{
Message = "添加课程成功";
}
}
};
}
// For EditCommand
public override void Edit()
{
if (CurrentCourseViewModel == null)
{
ModernDialog.ShowMessage("请选择一个课程。", "操作警告", MessageBoxButton.OK);
return;
}
var addOrEditUserControl = new AddOrEditCourseUserControl();
var addOrEditViewModel = (addOrEditUserControl.DataContext as AddOrEditCourseViewModel);
addOrEditViewModel.CourseViewModel = CurrentCourseViewModel;
addOrEditViewModel.CourseViewModels = CourseViewModels;
addOrEditViewModel.Action = ViewModelAction.Edit;
// 显示侧边框
BundleActivator.MainWindowService.ShowSidebar(addOrEditUserControl, 300, "编辑课程");
addOrEditViewModel.PropertyChanged += (sender, e) =>
{
if (e.PropertyName.Equals(AddOrEditCourseViewModel.ResultPropertyName))
{
if (addOrEditViewModel.Result == true)
{
Message = "编辑课程成功";
}
}
};
}